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Topics/Subjects:
Chemistry  
Educational Level:
High school  
Materials Cost:
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In this laboratory activity, students investigate chromophoric dissolved organic matter (CDOM) through gradual dilution of black, green and chamomile tea. Through this activity, students discover how CDOM can dominate the absorption of sunlight, how... (View More)

In this activity, students work in groups to create a presentation that illustrates the meaning of the statement "To make an apple pie from scratch you must first invent the universe." Students pick an element that can be found in apple pie and... (View More)

This is a lesson about radiation and the various sources of radiation that a spacecraft may encounter in its journey. Learners will calculate their annual exposure to high-energy radiation, identify sources of high-energy radiation, and explain why... (View More)

Keywords: Radiation

This investigation compares changes in ozone above the Arctic and the Antarctic. Students use text, tables, diagrams, images and photos to investigate the human-caused effects, the populations most at risk, and the different international... (View More)

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